<template>
  <div class="login">

    <div class="main-content">
      <div class="left-area">
        <div class="left-content">
          <div class="left-01">Welcome To</div>
          <div class="left-02"></div>
          <div class="left-03">{{ titleSmall }}</div>
         <!-- <div class="left-04">

            <a>联系我们</a>
            <a>用户注册</a>
            <a>忘记密码</a>
          </div> -->

        </div>
      </div>
      <div class="demo-login">
        <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="demo-main">
          <h3 class="demo-title">{{ title }}</h3>
          <el-form-item prop="username">
            <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
              <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="password">
            <el-input v-model="loginForm.password" type="password" auto-complete="off" placeholder="密码" @keyup.enter.native="handleLogin">
              <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon" />
            </el-input>
          </el-form-item>
          <el-form-item prop="code" v-if="captchaEnabled">
            <el-input v-model="loginForm.code" auto-complete="off" placeholder="验证码" style="width: 63%" @keyup.enter.native="handleLogin">
              <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon" />
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img" />
            </div>
          </el-form-item>
          <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
          <el-form-item style="width:100%;">
            <el-button :loading="loading" size="medium" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
              <span v-if="!loading">登 录</span>
              <span v-else>登 录 中...</span>
            </el-button>

          </el-form-item>
        </el-form>
      </div>
    </div>

    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2025 {{ title }} All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from '@/utils/jsencrypt'

export default {
  name: "Login",
  data() {
    return {
      title: process.env.VUE_APP_TITLE,
      titleSmall: process.env.VUE_APP_TITLE_SMALL,

      codeUrl: "",
      loginForm: {
        username: "",
        password: "",
        rememberMe: false,
        code: "",
        uuid: ""
      },
      loginRules: {
        username: [
          { required: true, trigger: "blur", message: "请输入您的账号" }
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入您的密码" }
        ],
        code: [{ required: true, trigger: "change", message: "请输入验证码" }]
      },
      loading: false,
      // 验证码开关
      captchaEnabled: true,
      // 注册开关
      register: false,
      redirect: undefined
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true
    }
  },
  created() {
    this.getCode();
    this.getCookie();
  },
  methods: {
    getCode() {
      getCodeImg().then(res => {
        this.captchaEnabled = res.captchaEnabled === undefined ? true : res.captchaEnabled;
        if (this.captchaEnabled) {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        }
      });
    },
    getCookie() {
      const username = Cookies.get("username");
      const password = Cookies.get("password");
      const rememberMe = Cookies.get('rememberMe')
      this.loginForm = {
        username: username === undefined ? this.loginForm.username : username,
        password: password === undefined ? this.loginForm.password : decrypt(password),
        rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
      };
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true;
          if (this.loginForm.rememberMe) {
            Cookies.set("username", this.loginForm.username, { expires: 30 });
            Cookies.set("password", encrypt(this.loginForm.password), { expires: 30 });
            Cookies.set('rememberMe', this.loginForm.rememberMe, { expires: 30 });
          } else {
            Cookies.remove("username");
            Cookies.remove("password");
            Cookies.remove('rememberMe');
          }
          this.$store.dispatch("Login", this.loginForm).then(() => {
            this.$router.push({ path: this.redirect || "/" }).catch(() => { });
          }).catch(() => {
            this.loading = false;
            if (this.captchaEnabled) {
              this.getCode();
            }
          });
        }
      });
    }
  }
};
</script>

<style rel="stylesheet/scss" lang="scss">
.login {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  // background-image: url("../assets/images/login-background.jpg");
  background-image: url("~@/assets/images/bg.png");

  background-size: cover;
}

.main-content {
  width: 792px;
  height: 494px;
  background: url(~@/assets/images/centerbg.png) no-repeat center;

  .left-area {
    float: left;
    height: 100%;
    width: 382px;
    // background-image: url(../img/left.png);
    // background-size: 100% 100%;

    text-align: left;

    .left-content {
      margin: 60px auto 10px;
      padding: 20px 30px;
      height: 350px;
      position: relative;
      .left-01 {
        margin: 20px auto 10px;

        color: #fff;
        font-size: 40px;
      }
      .left-02 {
        width: 40px;
        height: 4px;
        background: #fff;
      }
      .left-03 {
        margin: 20px auto 10px;
        color: #fff;
        font-size: 26px;
      }
      .left-04 {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 10px;
        width: 80%;
        text-align: center;

        a {
          color: #fff;
          font-size: 14px;

          padding: 0 20px;

          border-right: 1px solid #ddd;

          &:hover {
            color: #ddd;
          }

          &:last-child {
            border-right: none;
          }
        }
      }
    }
  }

  .demo-login {
    float: left;
    width: 410px;
    // background: #f0f6ff;
    height: 100%;
    border-top-right-radius: 20px;
    border-bottom-right-radius: 20px;

    .demo-title {
      color: #3a88f7;
      font-size: 26px;
      font-weight: 600;
      margin: 60px auto 40px;
      text-align: center;
    }

    .demo-main {
      // margin-left: 76px;
      // width: 100%;
      margin: 0 35px;
    }
  }
}

.login-form {
  border-radius: 6px;
  background: #ffffff;
  width: 1;
  padding: 25px 25px 5px 25px;
  .el-input {
    height: 38px;
    input {
      height: 38px;
    }
  }
  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 2px;
  }
}
.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}
.login-code {
  width: 33%;
  height: 38px;
  float: right;
  img {
    cursor: pointer;
    vertical-align: middle;
  }
}
.el-login-footer {
  height: 40px;
  line-height: 40px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
.login-code-img {
  height: 38px;
}
</style>
